WO2009096111A1 - ガスケット - Google Patents

ガスケット Download PDF

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Publication number
WO2009096111A1
WO2009096111A1 PCT/JP2008/073057 JP2008073057W WO2009096111A1 WO 2009096111 A1 WO2009096111 A1 WO 2009096111A1 JP 2008073057 W JP2008073057 W JP 2008073057W WO 2009096111 A1 WO2009096111 A1 WO 2009096111A1
Authority
WO
WIPO (PCT)
Prior art keywords
gasket
mounting groove
height
protrusion
groove
Prior art date
Application number
PCT/JP2008/073057
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Takahiro Hayashi
Original Assignee
Nok Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nok Corporation filed Critical Nok Corporation
Priority to EP08871921.6A priority Critical patent/EP2236865B1/en
Priority to CN200880125727.5A priority patent/CN101925765B/zh
Priority to US12/741,324 priority patent/US20100264606A1/en
Publication of WO2009096111A1 publication Critical patent/WO2009096111A1/ja

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/061—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with positioning means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
    • F16J15/106—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure homogeneous
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment

Definitions

  • the present invention relates to a gasket which is a kind of sealing device.
  • the gasket of the present invention is used, for example, as a waterproof seal for mobile devices such as mobile phones or small electric / electronic devices.
  • the cross-sectional shape of the gasket 51 is hexagonal, so that the reaction force that causes the deformation of the housing 52 can be minimized while maintaining the high surface pressure necessary for sealing.
  • the stability at the time of mounting is lowered, and therefore, there is a disadvantage that the gasket 51 falls in the mounting groove 53 as shown in FIG.
  • a protrusion 54 is provided on the side surface of the mounting groove 53 to prevent the gasket 51 from falling, or a protrusion is formed on the side surface of the gasket 51 as shown in FIG. 11 (B).
  • An improvement plan (see Patent Document 1) for preventing the fall of the gasket 51 by providing 54 is considered.
  • the gasket 51 is used as a waterproof seal for mobile devices and the like.
  • the present invention can prevent the gasket from falling in the mounting groove, and the packing rate does not increase so much, the reaction force does not increase, and the mounting workability is good.
  • the purpose is to provide. It is another object of the present invention to provide a gasket that can generate an appropriate surface pressure even when the gasket is inserted in an inclined state.
  • a gasket according to claim 1 of the present invention is mounted in a mounting groove provided in one of two members facing each other, and the bottom surface of the mounting groove and the other of the two members.
  • the gasket In the gasket closely contacting the facing surface of the member, the gasket has a projection on the side surface of the gasket that interferes with the side surface of the mounting groove and suppresses the collapse when the gasket is about to collapse in the mounting groove.
  • the height position of the upper part of the groove exceeds 80% of the groove height and is 70% or more and 95% or less of the gasket height, and the height position of the lower part of the protrusion is 40% or more of the gasket height. It is characterized by having a height position.
  • the gasket according to claim 2 of the present invention is the gasket according to claim 1 described above, wherein the gasket is used as a waterproof seal for mobile devices or small electric / electronic devices.
  • a protrusion for preventing the collapse is provided on the side surface of the gasket, and this protrusion is arranged to be biased to the upper part in the gasket cross section, that is, the height position of the upper part of the protrusion is the groove height.
  • the height position is more than 80% and 70% or more and 95% or less of the gasket height, and the height position of the lower part of the protrusion is 40% or more of the gasket height.
  • the upper part of the protrusion means the upper end part or the upper surface part of the protrusion when the mounting groove is open upward and the gasket is inserted into the mounting groove (the member is not compressed by the other member).
  • the height position means the height position from the groove bottom surface.
  • the groove height refers to the height dimension (depth dimension) of the mounting groove
  • the gasket height refers to the height dimension of the gasket.
  • the lower portion of the protrusion means a lower end portion or a lower surface portion in a state where the mounting groove is opened upward and a gasket is inserted into the mounting groove (compression is not performed by the other member).
  • the height position means a height position from the groove bottom surface. Therefore, in the present invention, the protrusions are provided only at the upper part on the groove opening side in the gasket cross section, and are not provided at the lower part, but a gap is set on the lower side surface, so that the filling rate can be kept small.
  • the mounting member (the other member of the two members or / and one of the two members) It is possible to effectively suppress the deformation of the member.
  • the mounting member is a housing in a mobile device such as a mobile phone, and has recently been abundantly reduced in size and thickness, and is easily deformed. Therefore, such deformation of the easily deformable member or brittle member can be effectively suppressed.
  • the mounting workability to the mounting groove is also limited because the protrusion is provided only on the upper part of the gasket and not on the lower part, and a gap is set on the lower side surface.
  • the impact on workability can be minimized. That is, since the lower part of the gasket is easy to insert into the mounting groove, if the lower part is inserted, the upper part can be easily inserted.
  • the protrusion since the protrusion is provided on the side surface of the gasket, the protrusion interferes with the side surface of the mounting groove when the gasket tries to fall down in the mounting groove. Therefore, the gasket does not fall in the mounting groove, and the sealing surface pressure is secured, so that the sealing performance can be maintained.
  • the gasket of the present invention when used as a waterproof seal for a mobile device or a small electric / electronic device having a small mounting groove cross section and a small gasket cross section, the above-described effects can be obtained in these small devices.
  • FIG. 2 is a cross-sectional view taken along line AA in FIG. 1 and a cross-sectional view of the gasket.
  • Sectional drawing which shows the state when the gasket tries to fall down
  • Explanatory drawing showing the components of the gasket (A) is a cross-sectional view of a gasket body (base) in a comparative test, and (B) is a cross-sectional view of a mounting groove in the test.
  • (A) (B) and (C) are cross-sectional views of the sample according to the example, and (D) is a cross-sectional view of the sample according to the comparative example.
  • Sectional drawing showing the external force input procedure in the same test is sectional drawing of the gasket which concerns on the other Example of this invention.
  • Sectional view of a gasket according to a conventional example Sectional view showing the gasket in a collapsed state (A) and (B) are a partial plan view and a cross-sectional view of a gasket according to a conventional example in which measures against falling are taken
  • the present invention includes the following embodiments.
  • (1) As a conventional solution to the problem, there are a method of providing a protrusion on the housing groove side, a drop-off preventing protrusion provided by a large O-ring, etc., and the reaction force tends to increase due to an increase in the filling rate. Become. Moreover, since the clearance with the groove is eliminated by providing the protrusion, the mounting property (insertability) to the housing groove tends to be deteriorated. (2) Therefore, in the shape of the present invention, the protrusion is only on the upper part of the gasket with respect to the insertion property without sacrificing the surface pressure and the reaction force by providing the protrusion on the entire circumference or part of the gasket.
  • the conditions under which the effect is recognized are that the position of the upper surface of the protrusion exceeds 80% of the groove height and is 70% to 95% of the gasket height.
  • the lower surface of the protrusion should be 40% or more of the gasket height.
  • the present invention relates to a micro gasket (micro gasket).
  • the micro gasket and a large gasket (for example, a cam cover gasket) have the following common points and differences. Common point Depending on the method of mounting, the gasket will fall into the groove in a collapsed state. If the gasket is compressed in a collapsed state, the seal surface pressure will decrease, so a countermeasure to prevent the collapse is necessary.
  • the ultra-small gasket has a low rigidity and it is difficult to provide a buckling prevention protrusion, and it is mounted in a state where there is no sense of mounting in the groove, so a different viewpoint from the large gasket It is necessary to take preventive measures against falling.
  • the gasket 1 is one of the two members 11 and 12 facing each other.
  • the gasket is mounted in the mounting groove 13 provided in the member 11 and is in close contact with the bottom surface 13 a of the mounting groove 13 and the opposing surface 12 a of the other member 12 of the two members 11 and 12.
  • the two members 11 and 12 are, for example, a pair of casings (upper and lower cases) 11 and 12 in a mobile device such as a mobile phone.
  • a protrusion 3 is provided on the side surface of the gasket 1, and as shown in FIG. 3, the protrusion 3 is formed on the side surface of the mounting groove 13 when the gasket 1 is about to fall inside the mounting groove 13. 13b is prevented by interfering with 13b.
  • the protrusions 3 are respectively provided on the inner peripheral surface (left side surface in the drawing) and the outer peripheral surface (right side surface in the drawing) of the gasket 1.
  • a plurality of the protrusions 3 may be provided on a part of the circumference of the gasket 1 or may be provided as an integral part over the entire circumference. Further, when the gasket 1 stands upright (when in the state shown in FIG.
  • the protrusion 3 is set to have a slight gap with the side surface 13b of the mounting groove 13. It may be in contact with the side surface 13b.
  • the protrusion 3 is provided so as to be offset from the center of the gasket 1 in the height direction (depth direction of the mounting groove 13).
  • FIG. 4 is a diagram for explaining the components of the gasket 1.
  • the gasket 1 first has a gasket body 2 having a hexagonal cross section shown in white in the figure. Projections 3 are provided on the surface and the outer peripheral surface, respectively.
  • the gasket body 2 having a hexagonal cross section includes a lower seal lip 2a having an arcuate cross section in close contact with the bottom surface 13a of the mounting groove 13, an inner peripheral lower inclined surface 2b, an inner peripheral vertical surface 2c, and an inner peripheral upper inclined surface 2d.
  • a point-symmetric cross-sectional shape having an upper seal lip 2e having an arcuate cross section in close contact with the opposing surface 12a of the other housing 12, an outer peripheral upper inclined surface 2f, an outer peripheral vertical surface 2g, and an outer peripheral lower inclined surface 2h.
  • Protrusions 3 are respectively provided in a portion from the inner peripheral vertical surface 2c to the inner peripheral upper inclined surface 2d and a portion from the outer peripheral upper inclined surface 2f to the outer peripheral vertical surface 2g.
  • the protrusion 3 is provided so as to be biased to the upper part of the gasket cross section.
  • Each of the protrusions 3 itself has a cross-sectional shape having a lower surface (lower horizontal surface) 3a, a vertical surface 3b, and an upper surface (upper horizontal surface) 3c, and a round shape is formed so that no corner is formed between the vertical surface 3b and the upper surface 3c. It is chamfered.
  • the gasket 1 is formed of a rubber-like elastic material made of elastically deformable rubber or resin.
  • the gasket 1 is used as a waterproof seal for a mobile device such as a mobile phone, and its cross-sectional area is set to be extremely small (for example, 1 mm ⁇ 1 mm).
  • the mounting groove 13 has a rectangular cross section.
  • the protrusion 3 is provided on the side surface of the gasket 1 so as to be biased upward, a relatively large gap space s (see FIG. 2) is set on the lower side surface of the gasket 1. Therefore, since the filling rate of the gasket 1 with respect to the mounting groove 13 is suppressed to be small, and the generated reaction force is small, it is possible to suppress deformation of the housings 11 and 12 due to the reaction force.
  • the protrusion 3 is provided so as to be biased upward on the side surface of the gasket 1, and a relatively large gap space s is set on the lower side surface of the gasket 1.
  • the influence on the mounting workability can be minimized. That is, since the lower portion of the gasket 1 is not provided with the projection 3 and there is no insertion resistance, it can be easily inserted into the mounting groove 13, so that if the lower portion is inserted, the upper portion can be easily inserted.
  • the height position a of the upper surface 3c of the protrusion 3 is determined in a state where the gasket 1 shown in FIG. , Exceeding 80% of the groove height c (0.8 ⁇ a / c (formula (1))) and 70% to 95% of the gasket height d (0.7 ⁇ a / d ⁇ 0. 95 (Expression (2)) and the height position b of the lower surface 3a of the protrusion 3 is 40% or more of the gasket height d (0.4 ⁇ b / d (3) It is necessary to set the height position of (formula).
  • FIG. 5 (A) is a diagram in which a protrusion main body 3 is provided in the following manner using a gasket body 2 having a hexagonal cross section having a height h 1 of 1.5 mm and a width w 1 of 0.9 mm as shown in FIG. 6
  • Four samples (A) to (D) shown in the upper part were prepared.
  • three of (A), (B) and (C) satisfy the conditions of the above formulas (1) to (3), and (D) does not satisfy the conditions It is.
  • the cross-sectional shape of the gasket 1 is not specifically limited, For example, an ellipse, a rhombus, etc. may be sufficient besides the said hexagon.
  • the gasket body 2 includes a lower seal lip 2a having an arcuate cross section in close contact with the bottom surface 13a of the mounting groove 13, an inner peripheral vertical surface 2c, and an opposing surface 12a of the other housing 12.
  • the gasket body 2 includes a lower seal lip 2a having an arcuate cross section in close contact with the bottom surface 13a of the mounting groove 13, an inner peripheral lower inclined surface 2b, and an inner peripheral upper inclined.
  • a rhombus cross section having a surface 2d, an upper seal lip 2e having an arcuate cross section in close contact with the opposing surface 12a of the other housing 12, an outer peripheral upper inclined surface 2f, and an outer peripheral lower inclined surface 2h, of which the inner peripheral side Protrusions 3 are provided on the upper inclined surface 2d and the outer peripheral upper inclined surface 2f, so that the protrusions 3 are biased toward the upper part of the gasket cross section.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Signal Processing (AREA)
  • Gasket Seals (AREA)
  • Telephone Set Structure (AREA)
PCT/JP2008/073057 2008-01-30 2008-12-18 ガスケット WO2009096111A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08871921.6A EP2236865B1 (en) 2008-01-30 2008-12-18 Gasket
CN200880125727.5A CN101925765B (zh) 2008-01-30 2008-12-18 密封垫
US12/741,324 US20100264606A1 (en) 2008-01-30 2008-12-18 Gasket

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008019473A JP5081004B2 (ja) 2008-01-30 2008-01-30 ガスケット
JP2008-019473 2008-01-30

Publications (1)

Publication Number Publication Date
WO2009096111A1 true WO2009096111A1 (ja) 2009-08-06

Family

ID=40912470

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/073057 WO2009096111A1 (ja) 2008-01-30 2008-12-18 ガスケット

Country Status (6)

Country Link
US (1) US20100264606A1 (ko)
EP (1) EP2236865B1 (ko)
JP (1) JP5081004B2 (ko)
KR (1) KR20100105830A (ko)
CN (1) CN101925765B (ko)
WO (1) WO2009096111A1 (ko)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2115331A1 (de) * 2007-03-07 2009-11-11 Siemens Aktiengesellschaft Vorrichtung und verfahren zum herstellen einer dichtung
US8973921B2 (en) * 2010-03-09 2015-03-10 Baker Hughes Incorporated High temperature/high pressure seal
JP5888241B2 (ja) * 2010-12-21 2016-03-16 日本電気株式会社 防水構造及びその形成方法、端末
JP2012207738A (ja) * 2011-03-30 2012-10-25 Arai Seisakusho Co Ltd 密封構造
JP5835836B2 (ja) * 2011-05-26 2015-12-24 内山工業株式会社 密封構造
JP5800332B2 (ja) * 2011-09-09 2015-10-28 内山工業株式会社 ガスケット
JP5862263B2 (ja) * 2011-12-13 2016-02-16 日産自動車株式会社 ガスケット
JP2013161887A (ja) * 2012-02-02 2013-08-19 Toyota Motor Corp 筐体
DE102012002888A1 (de) * 2012-02-14 2013-08-14 Dürr Systems GmbH Dichtelement, vorzugsweise Dichtring
JP5871432B2 (ja) * 2012-08-10 2016-03-01 日本サーモスタット株式会社 ロータリ式バルブ用シール部材及びこれを用いたロータリ式バルブ
JP6138576B2 (ja) * 2013-05-17 2017-05-31 Nok株式会社 ガスケット
JP6752069B2 (ja) * 2016-07-05 2020-09-09 株式会社バルカー シール材の配置構造
USD836186S1 (en) * 2016-07-05 2018-12-18 Valqua, Ltd. Seal member for a pressure vessel
JP2018096400A (ja) * 2016-12-09 2018-06-21 株式会社マーレ フィルターシステムズ 密封構造
USD901648S1 (en) * 2018-07-10 2020-11-10 Valqua, Ltd. Seal
JP2020143750A (ja) * 2019-03-07 2020-09-10 東洋電装株式会社 シール構造およびスイッチ装置
JP7048536B2 (ja) * 2019-04-01 2022-04-05 株式会社リケン シールリング
CN114645946A (zh) * 2022-03-23 2022-06-21 潍柴动力股份有限公司 一种密封结构和密封系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6275262U (ko) 1985-10-31 1987-05-14
JPH06213326A (ja) * 1993-01-21 1994-08-02 Seiko Epson Corp 小型携帯機器用防水パッキン
JP2002195411A (ja) * 2001-11-15 2002-07-10 Nok Corp ガスケット
JP2003148244A (ja) * 2001-11-08 2003-05-21 Hino Motors Ltd シリンダヘッドカバー用ラバーシール及びそれを用いたシリンダヘッドカバーの取付構造
JP2006029364A (ja) * 2004-07-12 2006-02-02 Nok Corp ガスケット
JP2007205384A (ja) * 2006-01-31 2007-08-16 Nippon Valqua Ind Ltd あり溝用シール材およびあり溝用シール材が装着された真空用ゲート弁

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3214182A (en) * 1962-02-27 1965-10-26 Henry J Herbruggen Packing ring
US3584889A (en) * 1968-05-13 1971-06-15 Paul A Sheets Flexible sealing ring
CN2241799Y (zh) * 1995-05-09 1996-12-04 刘刚 组合异型密封圈
DE29610628U1 (de) * 1996-06-17 1997-10-16 Merkel Dichtelemente GmbH, 21107 Hamburg Dichtungsanordnung
US6065757A (en) * 1998-07-02 2000-05-23 Caterpillar Inc. Flywheel housing
DE10017221A1 (de) * 2000-04-06 2001-10-11 Ralph Peter Hegler Dichtungs-Ring für Verbindung zwischen Spitzende eines Wellrohres und Rohr-Muffe mit glatter Innenwand
CN1407260A (zh) * 2001-08-31 2003-04-02 拉尔夫·P·赫格勒 连接波纹管窝口与具有光滑内壁的管插座的密封圈
JP2003287139A (ja) * 2002-03-29 2003-10-10 Uchiyama Mfg Corp ガスケット
US6722660B2 (en) * 2002-06-27 2004-04-20 Federal-Mogul World Wide, Inc. Molded gasket
WO2004007937A1 (ja) * 2002-07-12 2004-01-22 Uchiyama Manufacturing Corp. ガスケット
US7959161B2 (en) * 2002-11-12 2011-06-14 Nok Corporation Rubber-like elastic part
DE10349921B4 (de) * 2003-10-25 2017-03-09 Carl Freudenberg Kg Dichtung
JP2007085473A (ja) * 2005-09-22 2007-04-05 Nok Corp ガスケット
JP2007198457A (ja) * 2006-01-25 2007-08-09 Yamaha Motor Co Ltd ベルト式無段変速機のシール部材およびベルト式無段変速機
DE102006028467A1 (de) * 2006-06-21 2008-02-07 Busak + Shamban Deutschland Gmbh Dichtung und Dichtungsanordnung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6275262U (ko) 1985-10-31 1987-05-14
JPH06213326A (ja) * 1993-01-21 1994-08-02 Seiko Epson Corp 小型携帯機器用防水パッキン
JP2003148244A (ja) * 2001-11-08 2003-05-21 Hino Motors Ltd シリンダヘッドカバー用ラバーシール及びそれを用いたシリンダヘッドカバーの取付構造
JP2002195411A (ja) * 2001-11-15 2002-07-10 Nok Corp ガスケット
JP2006029364A (ja) * 2004-07-12 2006-02-02 Nok Corp ガスケット
JP2007205384A (ja) * 2006-01-31 2007-08-16 Nippon Valqua Ind Ltd あり溝用シール材およびあり溝用シール材が装着された真空用ゲート弁

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2236865A4 *

Also Published As

Publication number Publication date
JP5081004B2 (ja) 2012-11-21
CN101925765B (zh) 2014-08-27
KR20100105830A (ko) 2010-09-30
CN101925765A (zh) 2010-12-22
EP2236865A4 (en) 2013-07-24
US20100264606A1 (en) 2010-10-21
EP2236865A1 (en) 2010-10-06
EP2236865B1 (en) 2015-04-15
JP2009180283A (ja) 2009-08-13

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